[mirror_ubuntu-bionic-kernel.git] / include / linux / goldfish.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __LINUX_GOLDFISH_H
#define __LINUX_GOLDFISH_H

/* Helpers for Goldfish virtual platform */

static inline void gf_write_ptr(const void *ptr, void __iomem *portl,
				void __iomem *porth)
{
	writel((u32)(unsigned long)ptr, portl);
#ifdef CONFIG_64BIT
	writel((unsigned long)ptr >> 32, porth);
#endif
}

static inline void gf_write_dma_addr(const dma_addr_t addr,
				     void __iomem *portl,
				     void __iomem *porth)
{
	writel((u32)addr, portl);
#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
	writel(addr >> 32, porth);
#endif
}


#endif /* __LINUX_GOLDFISH_H */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
425f3740 A	2	#ifndef __LINUX_GOLDFISH_H
	3	#define __LINUX_GOLDFISH_H
	4
	5	/* Helpers for Goldfish virtual platform */
	6
07d783fd PST	7	static inline void gf_write_ptr(const void ptr, void __iomem portl,
07d783fd PST	8	void __iomem *porth)
425f3740	9	{
07d783fd	10	writel((u32)(unsigned long)ptr, portl);
8d9e9857	11	#ifdef CONFIG_64BIT
07d783fd	12	writel((unsigned long)ptr >> 32, porth);
425f3740 A	13	#endif
	14	}
	15
07d783fd PST	16	static inline void gf_write_dma_addr(const dma_addr_t addr,
	17	void __iomem *portl,
	18	void __iomem *porth)
	19	{
	20	writel((u32)addr, portl);
	21	#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
	22	writel(addr >> 32, porth);
	23	#endif
	24	}
	25
	26
425f3740	27	#endif /* __LINUX_GOLDFISH_H */